Trichostigma octandrum (L.) H.Walter

Hoopvine (en)

Species

Angiosperms > Caryophyllales > Petiveriaceae > Trichostigma

Characteristics

Woody shrub or liana to 10 m; bark greyish-purple. Branches long, slender, minutely puberulent. Leaves oblong, elliptical or lanceolate (rarely ovate), 5-15 x 2-6 cm, acute or acuminate at apex, cuneate to acute or rounded at base; petiole canaliculate, sparsely pubescent, 1-3.7 cm long, glabrous, base of petiole persistent, peg-like on old stems. Inflorescence a laxly to rather densely many-flowered raceme to 13 cm long, often pseudo-axillary on very short, leafless shoots; pedicels 3-10 mm long; bracts lance-linear, 1-2 mm long, deciduous; bracteoles 2, scale-like, triangular, ca. 0.5 mm long, immediately below perianth. Tepals ovate or obovate, 3-5 x 2.5-3 mm, concave, obtuse, greenish-white or white in flower, turning red, purple or purplish-pink in fruit; stamens 8-12, free, anthers basally sagittate and deeply incised at apex; ovary subglobose, glabrous, style very short, stigma 1. Fruit subglobose, 4.5-5.5 mm wide, red, purple, black or brown; seed black, shining, 4-6 mm.
More
Decumbent or suberect shrubs or woody vines up to 10 meters. Leaves oblong to elliptic, the apex acute to acuminate, the base rounded or acute, 3.8-5.5 cm. broad, 12.4-14.7 cm. long; petioles 2.4-3.7 cm. long, glabrous. Inflorescence a fairly dense many-flowered raceme, about 5.0-6.5 (-1 1.0) cm. long; pedicels 3-9 mm. long; bracts lanceolate, 2 mM. long, deciduous, the bractlets triangular, 0.5 mm. long. Tepals white to whitish-green, 2-3 mm. long. Stamens 8-12, inserted irregularly at the base of the perianth, 3-4 mm. long. Fruit a subglobose drupe, black, 5.5-6.0 mm. in diameter.
Plants suberect, to 10 m, gla-brous. Leaves: petiole 0.6-3.5(-5) cm; blade elliptic, elliptic-lanceolate or oblong to ovate, to 15 × 7 cm, base rounded to cuneate, apex acuminate or acute to obtuse. Racemes 5-10 cm; peduncle 1.3-3 cm; pedicel 3-10 mm. Flowers sepals white or greenish white to red or purplish in age, ovate to obovate, 3-6 mm. Berries 4-6 mm diam. Seeds black, lenticular, 4-5 mm.
A clambering shrub or creeper. It grows 5-10 m long or longer. The branches hang down. The stems are cylinder shaped and 5-15 cm across. The leaves are alternate and papery and narrowly oval. They are 4-9 cm long by 2-4 cm wide. They are dull dark green on the upper surface and dull light green underneath. The fruit are round and fleshy and 5-7 mm long. They are purple.
Life form perennial
Growth form shrub
Growth support climber
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 10.0
Root system -
Rooting depth (meter) 0.6
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant. ECHO
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses material medicinal
Edible leaves
Therapeutic use Asthma (unspecified), Shortwindedness (unspecified), Hydropsy (unspecified), Wound (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown by cuttings.
Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Trichostigma octandrum leaf picture by jaocdolotati (cc-by-sa)
Trichostigma octandrum leaf picture by Laurent LIENAFA (cc-by-sa)
Trichostigma octandrum leaf picture by emile alger (cc-by-sa)

Flower

Trichostigma octandrum flower picture by Georges LÉGER (cc-by-sa)

Fruit

Trichostigma octandrum fruit picture by Gladys Nazario (cc-by-sa)
Trichostigma octandrum fruit picture by Georges LÉGER (cc-by-sa)
Trichostigma octandrum fruit picture by claire Felloni (cc-by-sa)

Distribution

Trichostigma octandrum world distribution map, present in Argentina, Antigua and Barbuda, Bonaire, Sint Eustatius and Saba, Bahamas, Belize, Bolivia (Plurinational State of), Brazil, Barbados, Colombia, Costa Rica, Cuba, Cayman Islands, Dominica, Ecuador, Guadeloupe, Grenada, Guatemala, French Guiana, Guyana, Honduras, Jamaica, Saint Lucia, Mexico, Montserrat, Martinique, Nicaragua, Panama, Peru, Puerto Rico, Paraguay, Trinidad and Tobago, United States of America, Saint Vincent and the Grenadines, and Venezuela (Bolivarian Republic of)

Conservation status

Trichostigma octandrum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:257665-2
WFO ID wfo-0000456304
COL ID 7D4V6
BDTFX ID -
INPN ID 630836
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Trichostigma octandrum Rivina octandra Villamilla octandra Rivina americana Rivina dodecandra Rivina ehrenbergiana Rivina mutisii Villamillia octandra Rivina moritziana Trichostigma rivinoides Rivina humilis var. scandens Rivina octandra var. obtusifolia Rivina scandens